CVE-2026-59966

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59966", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-07T18:49:15.608Z", "datePublished": "2026-10-16T19:18:57.453Z", "dateUpdated": "2026-10-16T19:40:13.402Z"}, "containers": {"cna": {"title": "Tandoor Recipes: ReDoS (Regular Expression Denial of Service) via User-Controlled Automation Regex Patterns", "problemTypes": [{"descriptions": [{"cweId": "CWE-1333", "lang": "en", "description": "CWE-1333: Inefficient Regular Expression Complexity", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-f2gw-c2c7-59v7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-f2gw-c2c7-59v7"}, {"name": "https://github.com/TandoorRecipes/recipes/commit/adc2732712819d7fe26a9f74f6b0271c1a9d87c3", "tags": ["x_refsource_MISC"], "url": "https://github.com/TandoorRecipes/recipes/commit/adc2732712819d7fe26a9f74f6b0271c1a9d87c3"}, {"name": "https://github.com/TandoorRecipes/recipes/releases/tag/2.6.10", "tags": ["x_refsource_MISC"], "url": "https://github.com/TandoorRecipes/recipes/releases/tag/2.6.10"}], "affected": [{"vendor": "TandoorRecipes", "product": "recipes", "versions": [{"version": "< 2.6.10", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-16T19:18:57.453Z"}, "descriptions": [{"lang": "en", "value": "Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.10, executes user-controlled Automation regular-expression patterns with Python re.sub() without complexity validation or an execution timeout when an authenticated user stores a catastrophic-backtracking regex and any user in the same Space imports a matching recipe. Request processing uses Automation.param_2, apply_regex_replace_automation, sub, api/recipe-from-source/. The attack works because the shared-Space automation engine evaluates the malicious pattern during recipe import and can occupy a Gunicorn worker until its request timeout. This can exhaust application worker slots and make the service unavailable to users. This issue is fixed in version 2.6.10."}], "source": {"advisory": "GHSA-f2gw-c2c7-59v7", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-f2gw-c2c7-59v7", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-16T19:39:45.918792Z", "id": "CVE-2026-59966", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T19:40:13.402Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59966", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-07T18:49:15.608Z", "datePublished": "2026-10-16T19:18:57.453Z", "dateUpdated": "2026-10-16T19:40:13.402Z"}, "containers": {"cna": {"title": "Tandoor Recipes: ReDoS (Regular Expression Denial of Service) via User-Controlled Automation Regex Patterns", "problemTypes": [{"descriptions": [{"cweId": "CWE-1333", "lang": "en", "description": "CWE-1333: Inefficient Regular Expression Complexity", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-f2gw-c2c7-59v7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-f2gw-c2c7-59v7"}, {"name": "https://github.com/TandoorRecipes/recipes/commit/adc2732712819d7fe26a9f74f6b0271c1a9d87c3", "tags": ["x_refsource_MISC"], "url": "https://github.com/TandoorRecipes/recipes/commit/adc2732712819d7fe26a9f74f6b0271c1a9d87c3"}, {"name": "https://github.com/TandoorRecipes/recipes/releases/tag/2.6.10", "tags": ["x_refsource_MISC"], "url": "https://github.com/TandoorRecipes/recipes/releases/tag/2.6.10"}], "affected": [{"vendor": "TandoorRecipes", "product": "recipes", "versions": [{"version": "< 2.6.10", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-16T19:18:57.453Z"}, "descriptions": [{"lang": "en", "value": "Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.10, executes user-controlled Automation regular-expression patterns with Python re.sub() without complexity validation or an execution timeout when an authenticated user stores a catastrophic-backtracking regex and any user in the same Space imports a matching recipe. Request processing uses Automation.param_2, apply_regex_replace_automation, sub, api/recipe-from-source/. The attack works because the shared-Space automation engine evaluates the malicious pattern during recipe import and can occupy a Gunicorn worker until its request timeout. This can exhaust application worker slots and make the service unavailable to users. This issue is fixed in version 2.6.10."}], "source": {"advisory": "GHSA-f2gw-c2c7-59v7", "discovery": "UNKNOWN"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-59966", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T19:39:45.918792Z"}}}], "references": [{"url": "https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-f2gw-c2c7-59v7", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T19:40:04.251Z"}}]}}

{"affected": [{"affectedData": [{"product": "recipes", "vendor": "TandoorRecipes", "versions": [{"status": "affected", "version": "< 2.6.10"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.10, executes user-controlled Automation regular-expression patterns with Python re.sub() without complexity validation or an execution timeout when an authenticated user stores a catastrophic-backtracking regex and any user in the same Space imports a matching recipe. Request processing uses Automation.param_2, apply_regex_replace_automation, sub, api/recipe-from-source/. The attack works because the shared-Space automation engine evaluates the malicious pattern during recipe import and can occupy a Gunicorn worker until its request timeout. This can exhaust application worker slots and make the service unavailable to users. This issue is fixed in version 2.6.10."}], "id": "CVE-2026-59966", "lastModified": "2026-10-19T20:52:47.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59966", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T19:39:45.918792Z", "version": "2.0.3"}}]}, "published": "2026-10-16T20:17:23.700", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/TandoorRecipes/recipes/commit/adc2732712819d7fe26a9f74f6b0271c1a9d87c3"}, {"source": "security-advisories@github.com", "url": "https://github.com/TandoorRecipes/recipes/releases/tag/2.6.10"}, {"source": "security-advisories@github.com", "url": "https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-f2gw-c2c7-59v7"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-f2gw-c2c7-59v7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.6.10)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "recipes", "source": "cna", "vendor": "TandoorRecipes"}, "product": "recipes", "vendor": "tandoorrecipes"}], "created": "2026-10-16T20:45:16.954920+00:00", "updated": "2026-10-17T20:45:07.602315+00:00", "vendors": ["tandoorrecipes", "tandoorrecipes$PRODUCT$recipes"]}